package com.aaa.dem1109.观察者模式;

/**
 * @Author: whj
 * @Version 1.0
 * @Date: 2022/11/9  18:16
 */
public  interface IPoblic {
    //关注功能----谁关注了---传递关注的用户
    public abstract void guanzhu(UserInterfacr userInterfacr);
    //取消关注
    public  void quxiao(UserInterfacr userInterfacr);
    //设置消息
    public  void setMsg(String msg);
    //群发
    public  void qunfa();
}
